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Posted to dev@hbase.apache.org by "Liu Shaohui (JIRA)" <ji...@apache.org> on 2013/07/12 06:25:49 UTC
[jira] [Created] (HBASE-8937) createEphemeralNodeAndWatch don't set
watcher if the node is created successfully
Liu Shaohui created HBASE-8937:
----------------------------------
Summary: createEphemeralNodeAndWatch don't set watcher if the node is created successfully
Key: HBASE-8937
URL: https://issues.apache.org/jira/browse/HBASE-8937
Project: HBase
Issue Type: Bug
Reporter: Liu Shaohui
Priority: Minor
CreateEphemeralNodeAndWatch in zkUtil don't set watcher if the node is created successfully. This is not consistent with the comment and may causes the ActiveMasterManager cannot get events that master node is deleted or changed.
{quote}
public static boolean createEphemeralNodeAndWatch(ZooKeeperWatcher zkw,
String znode, byte [] data)
throws KeeperException {
try {
zkw.getRecoverableZooKeeper().create(znode, data, createACL(zkw, znode),
CreateMode.EPHEMERAL);
} catch (KeeperException.NodeExistsException nee) {
if(!watchAndCheckExists(zkw, znode)) {
// It did exist but now it doesn't, try again
return createEphemeralNodeAndWatch(zkw, znode, data);
}
return false;
} catch (InterruptedException e) {
LOG.info("Interrupted", e);
Thread.currentThread().interrupt();
}
return true;
}
{quote}
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